How to change the pot of flowers? What should be paid attention to when changing the basin? The best time to change the basin?

The efficient and simple transplanting technique can greatly improve the survival rate of plants. How to change pots for flowers? What should be paid attention to when changing the basin? When is the best time to change flower pots? Family potted plants should be changed every 2-3 years. Changing pots (soil) not only helps to stimulate plant vitality and better absorb nutrients, but also helps to accelerate the growth of potted plants.

I. methods and matters needing attention in changing flower pots

1. The principle of changing flower pots

The purpose of changing pots is to improve the nutritional status of plants. In general, annual or biennial herbaceous flowers need to change pots 1 or 2 times before flowering. Perennial flowers change pots once a year, while woody flowers can change pots once a year. For example, Milan, rose, jasmine, poinsettia and Fusang need to be turned once a year; camellias, orchids and rhododendrons should be turned every other year, although they grow slowly.

For perennial large potted flowers, due to the gradual development of root system and years of watering, the soil in the basin will gradually decrease, the soil will become more and more hardened, the air permeability will not be as good as before, and the nutrients in the soil will gradually run out of needs. Therefore, even if large potted flowers still use the original pot, they should change the soil at least once every two years, trim off some bad roots, overgrown roots, rotten roots and roots invaded by diseases and insect pests, and add some new soil to facilitate the plants to continue to grow.

The time of changing pots for flowers is best carried out in the dormant period of flowers. The pots of woody and perennial flowers can generally be changed in March, and early spring flowers should turn the pots again after flowering.

2. The steps of changing flower pots

(1) buckle the flowerpot upside down and pat the bottom of the pot to turn the soil out of the root of the plant. If the pot soil is too tight, use an iron bar or screwdriver to insert loose soil around the flowerpot. And then pour out the earth ball.

(2) pruning the bottom of the plant root system to remove the old root, dead root, diseased root and overdense clutter, and affect the sturdy roots (only the capillaries absorb nutrients for the plant itself) can also be truncated properly.

(3) cover the flowerpot outlet with a screen net at the bottom of the flowerpot to prevent insects, then press the stone, and then put the soil mixed with base fertilizer on the bottom of the flowerpot around its 2CM (so that the root of the plant has sufficient space to grow and stimulate vitality), compaction. Then cover the plant with soil.

(4) after the well-planted plant compacts the soil layer on the surface of the basin (so that the plant root is in close contact with the soil before it can absorb nutrients and water), it can be watered (fixed root water). Initial watering is recommended not to apply fertilizer, it should be allowed to have a certain period of adaptation stage (take the basin, about half a month or more) and then apply thin fertilizer. The water should be watered thoroughly, and the ventilation and shading place should be maintained for more than a week before normal management.

II. Matters needing attention in changing flower pots

(1) in the process of making flowerpots, the bottom hole of the flowerpot often has an upward edge, which will affect the drainage in the rainy season if this edge is not removed, it should be knocked off when changing the pot. A plastic window screen can be used to cover the bottom of the basin to prevent grubs and earthworms from entering the basin.

(2) when changing the basin, the soil of the root system must be cut off with a sharp flower shovel, and the topsoil of the root system must also be loosened with a shovel. Otherwise, the root system curved and curled around the basin wall does not extend, and it is easy to be affected by drought, waterlogging, cold and heat changes, and the plants often do not develop well.

(3) after changing the basin of the new soil, the basin soil must be compacted to avoid caves in the basin soil after watering, which will affect the root system to absorb water. Moreover, the watering mouth must be set aside, and there should not be a place to stop the water because the basin is full of soil.

(4) watering must be thoroughly. The first time to change the basin watering is best to use the soaking basin method, put the potted flowers into the basin, wait for the surface of the basin soil to be wet and then take out and place. After the first watering, the basin soil should be watered until the surface is white, and the principle of "no dry no watering" should be mastered.

Third, the best time to change flower pots?

Usually turning the basin should be carried out in the dormant period of flowers, the time is from the end of February to the first ten days of March in early spring, and it is better to early April at the latest, when the metabolism of flowers is slow. The time for spring flower plants to turn the pot and change the soil should be when the flowers and trees sprout or grow, when the plants are in a dormant period, do not have high requirements for water and fertilizer, damage some roots, will not affect the survival rate, and will not cause fallen leaves or a large number of fallen leaves. In case of such a situation, it should be watered to prevent drying, increase the number of foliar spraying, and suspend fertilization at the same time. After a period of finishing, the yellow leaves will stop falling off, come back to life, and grow leaves again.